* @since 2.0
*/
class DiffRendererHtmlInline extends \Diff_Renderer_Html_Array
{
/**
* Render a and return diff with changes between the two sequences
* displayed inline (under each other)
*
* @return string The generated inline diff.
*/
public function render()
{
$changes = parent::render();
$html = '';
if (empty($changes)) {
return $html;
}
$html .= <<
| Old |
New |
Differences |
HTML;
foreach ($changes as $i => $blocks) {
// If this is a separate block, we're condensing code so output ...,
// indicating a significant portion of the code has been collapsed as
// it is the same
if ($i > 0) {
$html .= <<
|
|
|
HTML;
}
foreach ($blocks as $change) {
$tag = ucfirst($change['tag']);
$html .= <<
HTML;
// Equal changes should be shown on both sides of the diff
if ($change['tag'] === 'equal') {
foreach ($change['base']['lines'] as $no => $line) {
$fromLine = $change['base']['offset'] + $no + 1;
$toLine = $change['changed']['offset'] + $no + 1;
$html .= <<
|
|
{$line} |
HTML;
}
}
// Added lines only on the right side
else if ($change['tag'] === 'insert') {
foreach ($change['changed']['lines'] as $no => $line) {
$toLine = $change['changed']['offset'] + $no + 1;
$html .= <<
|
|
{$line} |
HTML;
}
}
// Show deleted lines only on the left side
else if ($change['tag'] === 'delete') {
foreach ($change['base']['lines'] as $no => $line) {
$fromLine = $change['base']['offset'] + $no + 1;
$html .= <<
|
|
{$line} |
HTML;
}
}
// Show modified lines on both sides
else if ($change['tag'] === 'replace') {
foreach ($change['base']['lines'] as $no => $line) {
$fromLine = $change['base']['offset'] + $no + 1;
$html .= <<
|
|
{$line} |
HTML;
}
foreach ($change['changed']['lines'] as $no => $line) {
$toLine = $change['changed']['offset'] + $no + 1;
$html .= <<
|
|
{$line} |
HTML;
}
}
$html .= <<
HTML;
}
}
$html .= <<
HTML;
return $html;
}
}